#4B161B#4B161B

#4B161B is a dark, moderate red. Relative luminance 0.021; OKLCH L 28.8% C 0.080 H 18.2°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX#4B161B
RGBrgb(75, 22, 27)
HSLhsl(354, 55%, 19%)
HSVhsv(354, 71%, 29%)
CMYKcmyk(0%, 70.7%, 64%, 70.6%)
CIE-LABlab(16.25, 25.51, 10.21)
CIE-LCHlch(16.25, 27.48, 21.81°)
OKLaboklab(28.79% 0.0762 0.0251)
OKLCHoklch(28.79% 0.08 18.2)
XYZxyz(3.3867, 2.1493, 1.2732)
Luminance0.0215 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B161B #164B46
analogous
#4B1636 #4B161B #4B2C16
triadic
#4B161B #1B4B16 #161B4B
tetradic
#4B161B #364B16 #164B46 #2C164B
square
#4B161B #364B16 #164B46 #2C164B
split-complementary
#4B161B #164B2C #16364B
monochromatic
#180709 #1C080A #4B161B #7A242C #AA323D

Accessibility & contrast

On white

14.69
#4B161B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.43
#4B161B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B161B
14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B161B#FFFFFF#000000##FFFFFF
##4B161B1.0014.691.4314.69
#FFFFFF14.691.0021.001.00
#0000001.4321.001.0021.00
##FFFFFF14.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#23211B
Deuteranopia (green-blind)
#312C1A
Tritanopia (blue-blind)
#530C18
Achromatopsia (no color)
#282828

Design tokens & code

CSS
--color: #4b161b;
/* rgb */ color: rgb(75, 22, 27);
/* oklch */ color: oklch(28.8% 0.080 18.2);
Tailwind
colors: {
  custom: {
    50: '#815657',
    500: '#4b161b',
    950: '#000000',
  },
}
SCSS
$custom: #4b161b;
$custom-light: #815657;
$custom-dark: #000000;
JSON
{
  "hex": "#4b161b",
  "rgb": {
    "r": 75,
    "g": 22,
    "b": 27
  },
  "hsl": {
    "h": 354.34,
    "s": 54.639,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28792,
    "c": 0.08026,
    "h": 18.2
  },
  "luminance": 0.02149
}

Semantic roles & 50–950 ramp

primary
#4B161B
secondary
#3A837C
accent
#DED04A
background
#F8F5F5
surface
#EFE9E9
border
#CAC5C5
text
#0B0303
muted
#7C7878

Preview Lab

Preview with #4B161B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#4B161B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva